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Finding the Fourth Proportional to 25,262.88, 37,895.44 and 9,679.36

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Solution

The fourth proportional to 25,262.88, 37,895.44 and 9,679.36 is: 14,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,262.88 : 37,895.44 = 9,679.36 : x
  2. Step 2: Convert to fraction form
    25,262.88/37,895.44 = 9,679.36/x
  3. Step 3: Cross multiply
    25,262.88x = 37,895.44 × 9,679.36
  4. Step 4: Simplify right side
    25,262.88x = 366,803,606.12
  5. Step 5: Solve for x
    x = 366,803,606.12/25,262.88
  6. Step 6: Final answer
    x = 14,519.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.